drm/i915: make sure panel is sequenced off when starting a mode set

Otherwise we may not be able to train the DP link.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Jesse Barnes 2010-09-08 12:42:05 -07:00 • committed by Chris Wilson
commit 2c9d975459